<template>
  <div >
    <a-layout>
      <a-layout-sider width="200" style="background: #fff">
        <a-menu
            mode="inline"
            :style="{ height: '100%', borderRight: 0 }"
            @click="handleClick"
        >
          <a-menu-item key="welcome">
            <MailOutlined />
            <span>欢迎</span>
          </a-menu-item>
          <a-sub-menu v-for="item in level1" :key="item.id ">
            <template v-slot:title>
              <span><user-outlined/>{{item.name}}</span>
            </template>
            <a-menu-item v-for="child in item.children" :key="child.id">
              <MailOutlined/><span>{{child.name}}</span>
            </a-menu-item>
          </a-sub-menu>
        </a-menu>
      </a-layout-sider>
      <a-layout-content
          :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
      >
        <div class="welcome" v-show="isShowWelcome">
          <h1>欢迎使用知识库</h1>
        </div>
        <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{ gutter:20,column:3}" :data-source="ebooks">
          <template #renderItem="{ item }">
            <a-list-item key="item.name">
              <template #actions>
          <span v-for="{ type, text } in actions" :key="type">
            <component v-bind:is="type" style="margin-right: 8px" />
            {{ text }}
          </span>
              </template>
              <a-list-item-meta :description="item.description">
                <template #title>
                  <router-link :to="'/doc?ebookId=' + item.id">
                    {{ item.name }}
                  </router-link>
                </template>
                <template #avatar><a-avatar :src="item.cover" /></template>
              </a-list-item-meta>
            </a-list-item>
          </template>
        </a-list>
      </a-layout-content>
    </a-layout>
  </div>
</template>

<script lang="ts">
import { defineComponent,onMounted,ref,reactive,toRef } from 'vue';
import axios from 'axios';
import { message } from 'ant-design-vue';
import {Tool} from "@/util/tool";

// const listData: Record<string, string>[] = [];
//
// for (let i = 0; i < 23; i++) {
//   listData.push({
//     href: 'https://www.antdv.com/',
//     title: `ant design vue part ${i}`,
//     avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
//     description:
//         'Ant Design, a design language for background applications, is refined by Ant UED Team.',
//     content:
//         'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
//   });
// }

export default defineComponent({
  name: 'Home',
  setup() {
    const ebooks = ref();
    // const ebooks1 = reactive({books:[]});
    const level1 = ref();
    let categorys: any;
    /**
     * 查询所有分类
     */
    const handleQueryCategory = () => {
      axios.get("category/all",).then((response)=>{
        const data = response.data;
        if (data.success) {
          categorys = data.content;
          console.log("原始数组:",categorys);

          level1.value = [];
          level1.value = Tool.array2Tree(categorys,0)
          console.log("树形结构：",level1.value)
        } else {
          message.error(data.message)
        }
      });
    };

    const isShowWelcome = ref(true);
    let categoryId2 = 0;

    const handleQueryEbook = ()=> {
      axios.get("/ebook/list",{
        params: {
          page: 1,
          size: 1000,
          categoryId2: categoryId2,
        }
      }).then((response)=>{
        const data = response.data;
        ebooks.value = data.content.list;
        //ebooks1.books = data.content;
      });
    };

    const handleClick = (value: any) => {
      // console.log("menu.click");
      if(value.key == 'welcome'){
        isShowWelcome.value = true;
      } else {
        categoryId2 = value.key;
        isShowWelcome.value = false;
        handleQueryEbook();
      }
      //简化写法
      // isShowWelcome.value = value.key == 'welcome';
    };

      onMounted(()=>{
        handleQueryCategory();
    });

    return{
      ebooks,
      // books2:toRef(ebooks1,"books"),
      // listData,
      pagination: {
        onChange: (page: any) => {
          console.log(page);
        },
        pageSize: 3,
      },
      actions: [
      { type: 'StarOutlined', text: '156' },
      { type: 'LikeOutlined', text: '156' },
      { type: 'MessageOutlined', text: '2' },
    ],
      handleClick,
      level1,
      isShowWelcome,
    }
  }
});
</script>
<style scoped>
  .ant-avatar {
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 8%;
    margin: 5px 0;
  }
</style>
